A psychologist wants to compare memory after a full night's sleep with memory after a night of reduced sleep. She decides to use a matched pairs design.
Explain how the psychologist could carry out the matched pairs design in this study.
64 exam-style questions on Edexcel GCSE Psychology 11.1 Designing psychological research, covering 11.1.1 Identify variables, 11.1.2 Controlling extraneous variables, 11.1.3 Write a null hypothesis, 11.1.4 Write an alternative hypothesis, 11.1.5 Methods of sampling, 11.1.6 Experimental and research designs, 11.1.7 Reliability and validity, 11.1.8 Ethical issues in research, 11.1.9 Laboratory experiment, 11.1.10 Field experiment, 11.1.11 Natural experiment, 11.1.12 Interview, 11.1.13 Questionnaire, 11.1.14 Correlation, 11.1.15 Case study, and 11.1.16 Observation. Each one has a worked solution and a mark scheme showing where the marks go.